Felipe M.
809f024904
Move the pill-slot + cap-recess geometry from the tamper holder into lib/skadis-t-clip so other Skadis-mounted accessories can reuse it. The holder now consumes the library via use<>; geometry is unchanged.
75 lines
3.3 KiB
Markdown
75 lines
3.3 KiB
Markdown
# Skadis Coffee Tamper Holder
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IKEA Skadis pegboard holder for a coffee tamper that ships in a tamper cup
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(designed around a Normcore 58mm tamper inside its 64mm cup). The cup drops
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open-end-up into the holder's pocket; the tamper rests on top of the cup
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with its tamping face protected.
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## Mounting (T-Clip system)
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Mounts to the Skadis pegboard via the
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[T-Clip system from Printables #256896](https://www.printables.com/model/256896-skadis-t-clip-system).
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The slot + recess geometry is provided by
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[`lib/skadis-t-clip`](../lib/skadis-t-clip/), which the holder consumes
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via `use <../lib/skadis-t-clip/skadis-t-clip.scad>`. The narrow upper
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section carries a single Skadis-pattern pill-shaped through-slot
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surrounded by a circular recess that seats the printed clip's cap.
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Print the clip separately and use it like this:
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1. Hold the holder against the pegboard so the slot lines up with a
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pegboard slot.
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2. Push the clip's stem through both slots (clip's long axis parallel
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to the slot, i.e. vertical).
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3. Twist the clip 90 degrees — the cap is now perpendicular to the
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slot and sits flush in the recess, locking the holder in place.
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The cup pocket itself is wide and prevents rotation around the single
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mount point. Set `mount_count = 2` if you want a second slot 40mm above
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for additional restraint.
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## Print orientation
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Print upright (Z up, back plate vertical, cup pocket axis vertical). The
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pocket floor sits flat on the bed and all walls print as vertical
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extrusions. A brim helps with the small footprint.
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## Parameters
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### Tamper Cup
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| Parameter | Default | Description |
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|-----------|---------|-------------|
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| `cup_diameter` | 64 mm | Outer diameter of the tamper cup |
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| `cup_pocket_depth` | 10 mm | How far the cup sits in the holder |
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| `cup_tolerance` | 0.4 mm | Radial clearance around the cup, per side |
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| `cup_floor` | 4 mm | Pocket floor thickness (0 = open bottom) |
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| `cup_drain_diameter` | 50 mm | Drainage / pass-through hole in the floor (0 = solid) |
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| `cup_front_cut_width` | 30 mm | Front-cut window so the cup is graspable (0 = closed) |
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### Holder Body
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| Parameter | Default | Description |
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|-----------|---------|-------------|
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| `pocket_wall` | 4 mm | Wall thickness around the cup pocket |
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| `merge_overlap` | 3 mm | Overlap between cup pocket and back plate at the merge plane |
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### Skadis Mount
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| Parameter | Default | Description |
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|-----------|---------|-------------|
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| `mount_count` | 1 | Number of slot rows (1 = compact; 2 prevents rotation under heavy loads) |
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| `mount_pitch` | 40 mm | Vertical pitch between slots (Skadis standard) |
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| `back_thickness` | 5.4 mm | Back-plate thickness at the thickest part (the rim around the recess); thinnest = `back_thickness − clip_recess_depth` |
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| `back_margin` | 6 mm | Margin around the slot recess on the back plate |
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| `back_corner_r` | 4 mm | Outer corner radius of the back plate |
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### Skadis Slot
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| Parameter | Default | Description |
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|-----------|---------|-------------|
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| `skadis_slot_width` | 5.0 mm | Pill-slot width (Skadis nominal 5 mm) |
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| `skadis_slot_height` | 15.0 mm | Pill-slot length (Skadis nominal 15 mm) |
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| `clip_recess_diameter` | 22.2 mm | Cylindrical recess diameter on the front face |
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| `clip_recess_depth` | 2.9 mm | Recess depth; thinnest wall at the slot = `back_thickness − clip_recess_depth` |
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